Effects of wheat straw mulch application and nitrogen management on rice root growth, dry matter accumulation and rice quality in soils of different fertility - Fengjun Yan; Yongjian Sun; Hui Xu; Yaozhu Yin; Haiyue Wang; Chunyu Wang; Changchun Guo; Zhiyuan Yang; Yuanyuan Sun; Jun Ma (Paddy and Water Environment, 2018)